Final answer:
Lifetime Value Analysis is the correct answer, as it enables the calculation of the actual costs associated with doing business with a customer over the entire duration of their relationship with the company.
Step-by-step explanation:
The data analysis tool used to determine the actual costs of doing business with a customer is Lifetime Value Analysis. This tool allows businesses to evaluate the total projected revenue a customer will generate during their relationship with the company.
It takes into account fixed costs, marginal costs, average total costs, and average variable costs to provide insights into the profitability of maintaining long-term relationships with various customers. By assessing both costs and benefits, Lifetime Value Analysis assists businesses in focusing on customer segments that offer the most value over time.